<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>css3 filter滤镜</title>
    <style>
        /* filter滤镜 blur函数的意思（px）括号里的值越大图片越模糊 */
        
      img {
          filter:blur(10px);
        }
        /* 一般会做成鼠标一经过就变清晰的效果 */
        img:hover {
            filter: blur(0px);
        }
    </style>
</head>
<body>
    <img src="imges/pink.jpg" alt="">
</body>
</html>